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Use shared symbols to save space

This commit is contained in:
Michael Brown 2005-05-02 16:35:44 +00:00
parent 60b82eb5cd
commit 3267ca5568
1 changed files with 13 additions and 10 deletions
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23
src/drivers/net/w89c840.c
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@ -258,8 +258,10 @@ static struct winbond_private
static int ioaddr;
static unsigned short eeprom [0x40];
static char rx_packet[PKT_BUF_SZ * RX_RING_SIZE];
static char tx_packet[PKT_BUF_SZ * TX_RING_SIZE];
struct {
char rx_packet[PKT_BUF_SZ * RX_RING_SIZE];
char tx_packet[PKT_BUF_SZ * TX_RING_SIZE];
} w89c840_buf __shared;
static int eeprom_read(long ioaddr, int location);
static int mdio_read(int base_address, int phy_id, int location);
@ -498,19 +500,20 @@ static void w89c840_transmit(
/* Fill in our transmit buffer */
entry = w840private.cur_tx % TX_RING_SIZE;
memcpy (tx_packet, d, ETH_ALEN); /* dst */
memcpy (tx_packet + ETH_ALEN, nic->node_addr, ETH_ALEN);/* src */
memcpy (w89c840_buf.tx_packet, d, ETH_ALEN); /* dst */
memcpy (w89c840_buf.tx_packet + ETH_ALEN, nic->node_addr, ETH_ALEN);/*src*/
*((char *) tx_packet + 12) = t >> 8; /* type */
*((char *) tx_packet + 13) = t;
*((char *) w89c840_buf.tx_packet + 12) = t >> 8; /* type */
*((char *) w89c840_buf.tx_packet + 13) = t;
memcpy (tx_packet + ETH_HLEN, p, s);
memcpy (w89c840_buf.tx_packet + ETH_HLEN, p, s);
s += ETH_HLEN;
while (s < ETH_ZLEN)
*((char *) tx_packet + ETH_HLEN + (s++)) = 0;
*((char *) w89c840_buf.tx_packet + ETH_HLEN + (s++)) = 0;
w840private.tx_ring[entry].buffer1 = virt_to_le32desc(tx_packet);
w840private.tx_ring[entry].buffer1
= virt_to_le32desc(w89c840_buf.tx_packet);
w840private.tx_ring[entry].length = (DescWholePkt | (u32) s);
if (entry >= TX_RING_SIZE-1) /* Wrap ring */
@ -930,7 +933,7 @@ static void init_ring(void)
/* Initial all Rx descriptors. Fill in the Rx buffers. */
p = &rx_packet[0];
p = &w89c840_buf.rx_packet[0];
for (i = 0; i < RX_RING_SIZE; i++) {
w840private.rx_ring[i].length = w840private.rx_buf_sz;